50 practice questions to test yourself
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Question 1 of 50
Where would you disconnect a chain?
At a bolted joint.
At a spring clip joint.
At a riveted joint.
Question 2 of 50
How many strokes per minute should be used with a hacksaw?
30
55
60
Question 3 of 50
Unused holes in an electrical multi-pin connector should be
fitted with pins
fitted with blanks
left open
Question 4 of 50
How many times can a locking plate be used?
once, then discarded
indefinitely providing it is a good fit around the component to be locked
3 times, then discarded
Question 5 of 50
In a front release connector, the pin will be
released from the front and extracted from the rear
released from rear and extracted from the front
released from the front and extracted from the front
Question 6 of 50
What cable would you use where temperatures are going to exceed 2000 C?
Aluminium
Silver plated
Nickel plated
Question 7 of 50
Brinelling of a wheel bearing could be caused by
heavy landing
rotation of the outer race in the wheel housing
overheating of the brakes
Question 8 of 50
A hi-lock collar should be
lubricated before fitting
washed in solvent before fitting
not lubed or washed because they are lubed at manufacture
Question 9 of 50
An EASA issued capability list gives
details of the scope and extent of a type rated engineer's license
details of the scope and extent to which an organisation's approval is granted
details of the operational restrictions in terms of manoeuvres (g. forces) placed on a transport category aircraft at the time of issue of a C of A.
Question 10 of 50
Mandatory Warning Plaques and symbols
must be displayed on all flights
must be displayed in the cabin only if they are legible
need not be displayed if they are incorporated in the flight manual
Question 11 of 50
A chain removed for routine inspection
does not need proof loading
must be proof loaded to 50%
must be proof loaded to 150%
Question 12 of 50
Taper pins resist what loads
shear
tension
compression
Question 13 of 50
The pipe flaring angle is
37 degrees
25 degrees
45 degrees
Question 14 of 50
What is a drill cutting angle?
59 degrees
12 degrees - 15 degrees
125 degrees - 135 degrees
Question 15 of 50
When drilling out a rivet, use a drill
same size as the hole
larger than the hole
smaller than the hole
Question 16 of 50
A dry joint in soldering is caused by
flux not used
components not hot enough
wrong solder used
Question 17 of 50
What type of drill would you use on carbon fibre?
carburundum
tungsten carbide
diamond tipped
Question 18 of 50
After welding why would you normalise to
remove carbon build up from the welded joint
release the stresses from the material
remove oxidation from the welded joint
Question 19 of 50
A stud broken off below the surface is removed by
using a stud box
cutting a slot in it and removing with a screwdriver
a stud remover tool fitted into a drilled hole
Question 20 of 50
Following a major defect, the C of A
will be suspended until the defect is rectified.
will be invalidated and needs renewing.
is not affected, however may run out on a time basis.
Question 21 of 50
Brinelling of a bearing is
shallow smooth depressions caused by the rollers being forced against the cup, due to over torquing
blueing of the bearing due to overheating
indentations in the race surface caused by continual static vibration
Question 22 of 50
The purpose of a joggle is
to act as a tea stopper
to produce a flush fit at a metal joint
to make the holes for a rivet line up
Question 23 of 50
When riveting two dissimilar sheets of metal together the joint should be protected with
paint
grease
jointing compound
Question 24 of 50
Caustic soda applied to a metal turns black. This would indicate the metal is
aluminium
duralumin
magnesium alloy
Question 25 of 50
Proof testing after cable installation is
not required
sometimes required
always required
Question 26 of 50
An aircraft control chain is connected using
a split link and spring clip
quick release pins
nuts and bolts
Question 27 of 50
If a control chain can be lifted clear of a tooth, it should be
removed and an elongation check carried out
cleaned, re-tensioned and inspected after a period of time
rejected as unserviceable
Question 28 of 50
A control cable that has been contaminated with acid should be
cleaned
cleaned, inspected, and re-inspected after a period of time
rejected
Question 29 of 50
Removal of a scratch from a sheet of metal requires
burnishing
blending
polishing
Question 30 of 50
When dimpling a sheet of metal, you would require
a male die only
a male and female die
an oversized rivet and special reaction block
Question 31 of 50
A micro-shaver is used to
cut rivets to length prior to forming
trim the shank diameter prior to forming
mill the rivet head after forming
Question 32 of 50
The skin on an aircraft is normally manufactured from
2024 aluminium alloy
2117 aluminium alloy
7075 aluminium alloy
Question 33 of 50
Springs are manufactured from
high carbon alloy steel with low strength requirements
low carbon alloy steel with high strength requirements
high carbon alloy steel with high strength requirements
Question 34 of 50
The mold point is
an imaginary point from which real base measurements are provided
the centre of curvature of a radiused corner in a metal fabricated component
the mid-point in the thickness of a sheet of metal to which the radius dimension is calculated
Question 35 of 50
Relief holes are
holes drilled in the corner of a metal box to prevent cracking
holes drilled in a battery container to provide drainage
holes drilled to stop a crack
Question 36 of 50
The 'setback' is
the distance from the mold point to the bend tangent line
the distance from the bend tangent line to the setback line
the distance from the edge of the metal to the bend tangent line
Question 37 of 50
A balance cable is installed in a control system to
allow the aircraft to be flown 'hands off'
correct for wing heaviness
enable the cable to be tensioned
Question 38 of 50
Faying surfaces are
surfaces that have been treated with anti-corrosion compound
surfaces that are stressed
surfaces that are in contact with each other
Question 39 of 50
After a heavy landing you should inspect
the engine module alignment
the engine thrust alignment
the engine toe-in
Question 40 of 50
The flux used during brazing is a mixture of water and
borax powder
hydrochloric acid
zinc chloride
Question 41 of 50
A wear check on a cylinder head valve spring should include
diameter and length
length under load
length off-load
Question 42 of 50
A tapered roller bearing is designed to take
radial loads only
axial loads only
both radial and axial loads
Question 43 of 50
When riveting, the distance from the edge to the rivet (land) should not be less than
1D
2D
4D
Question 44 of 50
The type of flux to be used When soft soldering on aircraft is
active
non-active
either active or non-active
Question 45 of 50
When carrying out a pressure test on a pipe it should be
twice the working pressure for two minutes
three times the working pressure for five minutes
1.5 times the working pressure
Question 46 of 50
When checking a hose after installation it should be checked for freedom of movement
by flexing +/- 15 degrees either side of the neutral position
by flexing through the normal operating range plus 15 degrees
by flexing through the normal operating range only
Question 47 of 50
If the outer cover of a flexible hose is found to be cracked
it is unserviceable since it may have a restricted flow
it is unserviceable since it may leak
it may still be serviceable
Question 48 of 50
A rigid hydraulic pipe requires shaping. It should be carried out
as supplied
after annealing
after age hardening
Question 49 of 50
The maximum permissible bow in a steel tube is
1:400
1:600
1:200
Question 50 of 50
The strength of a riveted joint compared to that of the original metal is
75%
100%
125%